1 /****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2008 - 2015 Intel Corporation. All rights reserved. 9 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 10 * Copyright(c) 2018 - 2019 Intel Corporation 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of version 2 of the GNU General Public License as 14 * published by the Free Software Foundation. 15 * 16 * This program is distributed in the hope that it will be useful, but 17 * WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * General Public License for more details. 20 * 21 * The full GNU General Public License is included in this distribution 22 * in the file called COPYING. 23 * 24 * Contact Information: 25 * Intel Linux Wireless <linuxwifi@intel.com> 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 27 * 28 * BSD LICENSE 29 * 30 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 31 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 32 * Copyright(c) 2018 - 2019 Intel Corporation 33 * All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 39 * * Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * * Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in 43 * the documentation and/or other materials provided with the 44 * distribution. 45 * * Neither the name Intel Corporation nor the names of its 46 * contributors may be used to endorse or promote products derived 47 * from this software without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 50 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 51 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 52 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 53 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 54 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 55 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 59 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 60 *****************************************************************************/ 61 #ifndef __iwl_nvm_parse_h__ 62 #define __iwl_nvm_parse_h__ 63 64 #include <net/cfg80211.h> 65 #include "iwl-eeprom-parse.h" 66 67 /** 68 * enum iwl_nvm_sbands_flags - modification flags for the channel profiles 69 * 70 * @IWL_NVM_SBANDS_FLAGS_LAR: LAR is enabled 71 * @IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ: disallow 40, 80 and 160MHz on 5GHz 72 */ 73 enum iwl_nvm_sbands_flags { 74 IWL_NVM_SBANDS_FLAGS_LAR = BIT(0), 75 IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ = BIT(1), 76 }; 77 78 /** 79 * iwl_parse_nvm_data - parse NVM data and return values 80 * 81 * This function parses all NVM values we need and then 82 * returns a (newly allocated) struct containing all the 83 * relevant values for driver use. The struct must be freed 84 * later with iwl_free_nvm_data(). 85 */ 86 struct iwl_nvm_data * 87 iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg, 88 const struct iwl_fw *fw, 89 const __be16 *nvm_hw, const __le16 *nvm_sw, 90 const __le16 *nvm_calib, const __le16 *regulatory, 91 const __le16 *mac_override, const __le16 *phy_sku, 92 u8 tx_chains, u8 rx_chains); 93 94 /** 95 * iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW 96 * 97 * This function parses the regulatory channel data received as a 98 * MCC_UPDATE_CMD command. It returns a newly allocation regulatory domain, 99 * to be fed into the regulatory core. In case the geo_info is set handle 100 * accordingly. An ERR_PTR is returned on error. 101 * If not given to the regulatory core, the user is responsible for freeing 102 * the regdomain returned here with kfree. 103 */ 104 struct ieee80211_regdomain * 105 iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg, 106 int num_of_ch, __le32 *channels, u16 fw_mcc, 107 u16 geo_info, u16 cap); 108 109 /** 110 * struct iwl_nvm_section - describes an NVM section in memory. 111 * 112 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD, 113 * and saved for later use by the driver. Not all NVM sections are saved 114 * this way, only the needed ones. 115 */ 116 struct iwl_nvm_section { 117 u16 length; 118 const u8 *data; 119 }; 120 121 /** 122 * iwl_read_external_nvm - Reads external NVM from a file into nvm_sections 123 */ 124 int iwl_read_external_nvm(struct iwl_trans *trans, 125 const char *nvm_file_name, 126 struct iwl_nvm_section *nvm_sections); 127 void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data, 128 unsigned int len); 129 130 /** 131 * iwl_get_nvm - retrieve NVM data from firmware 132 * 133 * Allocates a new iwl_nvm_data structure, fills it with 134 * NVM data, and returns it to caller. 135 */ 136 struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans, 137 const struct iwl_fw *fw); 138 #endif /* __iwl_nvm_parse_h__ */ 139